nav {
    width: 100%;
}

nav ul ul {
    display: none;
}

nav ul li:hover > ul {
    display: block;
}

nav > ul {
    background: -webkit-linear-gradient(top, #efefef 0%, #bbbbbb 100%);
    box-shadow: 0 0 9px rgba(0, 0, 0, 0.15);
    width: 100%;
    list-style: none;
    position: relative;
    display: inline-table;
    z-index: 1;
}

nav ul:after {
    content: "";
    clear: both;
    display: block;
}

nav ul li {
    float: left;
}

nav ul li:hover {
    background: #4b545f;
    background: linear-gradient(top, #4f5964 0%, #5f6975 40%);
    background: -moz-linear-gradient(top, #4f5964 0%, #5f6975 40%);
    background: -webkit-linear-gradient(top, #4f5964 0%, #5f6975 40%);
}

nav ul li:hover a {
    color: #fff;
}

nav ul li a {
    display: block;
    padding: 15px 25px;
    color: #757575;
    text-decoration: none;
}

nav ul ul {
    background: #5f6975;
    padding: 0;
    position: absolute;
    top: 100%;
}

nav ul ul li {
    float: none;
    border-top: 1px solid #6b727c;
    border-bottom: 1px solid #575f6a;
    position: relative;
}

nav ul ul li a {
    padding: 15px 40px;
    color: #fff;
}

nav ul ul li a:hover {
    background: #4b545f;
}

nav ul ul ul {
    position: absolute;
    left: 100%;
    top: 0;
}

.nav-item-right {
    float: right;
}